Answer:
Ya'll should really practice more because things like these are easy
Explanation:
The inert gases like neon,argon ,krypton have complete shells
The coefficient for sulfuric acid wen reaction between calcium phosphate and phosphoric acid occurs is
three (3)
<h2>explanation</h2>
write a balanced chemical equation for the reaction
that is
Ca3(PO4)2 + 3 H2SO4 →2 H3PO4 + 3CaSO4
since coefficient is number in front of a chemical formula the coefficient of H2SO4 is 3
D. The empirical formula and the molar mass
When the balanced equation for this reaction is:
2SO3 → 2SO2 + O2 so, by using ICE table:
initial 0.391 0 0.125m
change -X +2X +X
Equ (0.391-X) 2X 0.125+X
when Keq = concentration of products / concentration of reactants
so, by substitution
4.34 = [2X]^2 * [0.125+X] / [0.391-X]^2 by solving for X
∴ X = 0.357 m
∴ the concentration of SO2 = 2x = 2 * 0.357
= 0.714 m
